Infrared echo of Type II supernovae with circumstellar dust shells. II. A probe into the presupernova evolution of the progenitor star
Journal Article
·
· Astrophys. J.; (United States)
This paper studies the spectral appearance and evolution of the infrared light curve, also referred to as the infrared echo, of Type II supernovae embedded in carbon- or oxygen-rich circumstellar dust shells. The distinct spectral signature of the echo and its temporal evolution can be used to estimate the mass of the shell and identify the composition of the dust. Since the shell mass and dust composition are determined by the combined effect of stellar mass loss and the dredging of newly synthesized heavy elements to the stellar surface, observations of the infrared echo may provide useful clues to the presupernova evolution of the progenitor star. 21 references.
- Research Organization:
- NASA, Goddard Space Flight Center, Greenbelt, MD
- OSTI ID:
- 5556713
- Journal Information:
- Astrophys. J.; (United States), Journal Name: Astrophys. J.; (United States) Vol. 297; ISSN ASJOA
- Country of Publication:
- United States
- Language:
- English
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